Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Rosemount

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND40ND
2021ND50ND
2022ND10ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-2418J1245-03ND
2018-10-2418J1247-01ND
2018-10-2418J1247-02ND
2018-10-2418J1247-03ND
2018-10-2418J1245-02ND
2019-02-1519B0722-01ND
2019-04-2919D2437-01ND
2019-09-1219I0608-01ND
2019-11-2519K1669-01ND
2020-01-0720A0140-05ND
2020-01-0720A0140-04ND
2020-01-0720A0140-03ND
2020-05-1920E1077-01ND
2021-05-0321E0038-01ND
2021-05-0321E0039-02ND
2021-05-0321E0039-03ND
2021-05-0321E0039-05ND
2021-05-0321E0039-06ND
2022-05-1722E1321-01ND
2023-10-3123J1741-01ND
2023-10-3123J1741-02ND
2023-10-3123J1741-03ND
2023-10-3123J1743-01ND